Inquiry (采购产品): Seperation of Tramp materials from Silica fume Material bearing about 8% junk (wood particles and carbon particles from silica fume. Bulk density of silica fume is about 9 lb?cuft. Particle size is submicron. Bulk density of junk is 45 lb/cuft. Desired cut of final product is less than 1% plus 1 micron. We need to process 5000lbs. per hour. **** Hidden Message ***** James Black 45715-5097 Company: Globe Metallurgical Inc E-mail: black43@earthlink.net **** Hidden Message ***** black43@earthlink.net